number, a key number, obama, 50%, romney, 47%. let's go to the issue of the debate. mitt romney seems to have changed his tune on health care. here he was on "60 minutes." >> does the government have a responsibility to provide health care to the 50 million americans who don't have it today? >> well, we do provide care for people who don't have insurance, people -- if someone has a heart attack, they don't sit in their apartment and die. we pick them up in an ambulance and take them to the hospital and give them care and different states have different ways of providing for that care. >> that's the most expensive way to do it. >> well -- >> in the emergency room. >> again, different states have different ways of doing that. >> it's interesting the people who don't don't have health care live in parnlts. that may be his latest etch-a-sketch moment. listen to what he told mike barn kl a couple years ago on "morning joe" same question, same suggest. listen to how the answer is different. >> do you believe in universal coverage? >> oh